[ATM] ronchi shots

[quantemlp at hotmail.com (c f)]

Hello to all,

Well, I have gone back and polished some more, (now total about 6 hours on 
my 6" f/7.4) and finally figured out how to take some shots of my ronchi 
tests.
           ( http://www.geocities.com/quantemlp/page4.html )
I would enjoy hearing back on what the members think of where the mirror is. 
Other than in my living room in a container, I am not to sure how it is 
comming along lol lol  Please send me some feed back and let me know what 
you think.  I tried to do a foucault test, but I am still figuring out just 
how to do that.  I get the mirror lit totally, and then tilt my rig and I 
can cut the mirror in half making one side dark and the other lit, but I 
dont see any holes or curves or really anything.  The Ronchi rule was 
printed on my work computer, (has had the snot kicked out of it), on 
transparencies that I know are not totally clear. So the quality of my rule 
I question greatly.   I may either break down and buy a rule, or make one 
with the fishing line.  but that is a project for tomorrow.  I found that I 
lucked out on the room in which I do my testings in.  It is an inside room 
(no wall is an outside wall, no windows).  so I closed both doors,  no 
drafts, no thermals, heating ducts closed to that room.  perfect for 
testing! that is a plus.


thanks to all and clear skys

Charles in wilmington.

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